火工品INITIATORS&PYROTECHNICS文章编号:1003-1480(2023)01-0037-051060-T2-Q235爆炸焊接试验及数值模拟代弦德,李雪交,张廷赵,汪泉(安徽理工大学化学工程学院,安徽淮南,232001)摘要:为改善铝-钢爆炸焊接复合板的结合质量,以T2纯铜作为中间层、Q235钢作为基板、1060铝作为复板进行了爆炸焊接试验,通过金相显微镜观察复合板界面形貌并通过拉伸试验测试其力学性能;采用ANSYS/AUTODYN软件对爆炸焊接过程进行数值模拟。试验结果表明:1060-T2与T2-Q235界面均呈波状结合;T2铜中间层的引入减少了复合板结合界面的孔洞、裂纹等微观缺陷;1060-T2-Q235爆炸焊接系统的复板动能利用率较1060-Q235系统提高了3.01%;1060-T2-Q235复合板抗拉强度为319.2MPa,满足抗拉强度要求。数值模拟结果与试验结果具有较好的一致性。关键词:爆炸焊接;铝-钢;中间层;数值模拟;抗拉强度中图分类号:TJ45+9文献标识码:ADOI:10.3969/j.issn.1003-1480.2023.01.008ExplosiveWeldingTestandNumericalSimulationof1060-T2-Q235DAIXian-de,LIXue-jiao,ZHANGTing-zhao,WANGQuan(SchoolofChemicalEngineering,AnhuiUniversityofScienceandTechnology,Huainan,232001)Abstract:Inordertoimprovethebondingqualityofaluminum-steelexplosiveweldingcompositeplate,theexplosionweldingtestwascarriedoutwithT2purecopperastheintermediatelayer,Q235steelasthesubstrateand1060aluminumasthecladplate.Theinterfacemorphologyofthecompositeplatewasobservedbymetallographicmicroscopeanditsmechanicalpropertiesweretestedbytensiletest.ANSYS/AUTODYNsoftwarewasusedtosimulatetheexplosiveweldingprocess.Thetestresultsshowthat1060-T2andT2-Q235arewaveformcombination;Copperinterlayerreducesthemicrodefectssuchasholesandcracksatthebondinginterfaceofthecompositeplate.Thekineticenergyutilizationrateof1060-T2-Q235explosiveweldingsystemis3.01%higherthanthatof1060-Q235system;Thetensilestrengthof1060-T2-Q235compositeplateis319.2MPa,whichmeetsthetensilestrengthstandard.Thenumericalsimulationresultsareingoodagreementwiththetestresults.Keywords:Explosivewelding;Aluminum-steel;Interlayer;Numericalsimulation;Tensilestrength铝及铝合金因具有优秀的耐腐蚀、导热与导电性能,以及较高的比强度和良好的塑性,已成为众多行业...